5.9
Medium
CVE-2023-5768 A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below
Description
A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| RTU500 series | Versions not published |
Other CVEs of RTU500 series
The 4 CVEs of RTU500 series →
CVE-2022-4608
A vulnerability exists in HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product
7.5
High
CVE-2022-2502
A vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product
7.5
High
CVE-2021-35533
Improper Input Validation vulnerability in the APDU parser in the Bidirectional Communication Interface (BCI) IEC…
7.5
High